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Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Summary of key information for impaired loans |  |
Unpaid Principal Balance | $ 17,819 | $ 17,086
Impaired loans | 12,665 | 12,446
Impaired loans with related allowance for loan losses | 7,070 | 7,990
Related allowance for loan losses | 2,935 | 3,677
Commercial [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 12,975 | 12,843
Impaired loans | 8,408 | 8,664
Impaired loans with related allowance for loan losses | 4,621 | 5,103
Related allowance for loan losses | 1,660 | 1,990
Commercial [Member] | Owner occupied RE [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 2,843 | 2,281
Impaired loans | 2,779 | 2,235
Impaired loans with related allowance for loan losses | 452 | 464
Related allowance for loan losses | 75 | 179
Commercial [Member] | Non-owner occupied RE [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 6,341 | 6,827
Impaired loans | 3,046 | 3,665
Impaired loans with related allowance for loan losses | 2,245 | 2,646
Related allowance for loan losses | 742 | 750
Commercial [Member] | Business [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 3,791 | 3,735
Impaired loans | 2,583 | 2,764
Impaired loans with related allowance for loan losses | 1,924 | 1,993
Related allowance for loan losses | 843 | 1,061
Commercial [Member] | Construction [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance |  |
Impaired loans |  |
Impaired loans with related allowance for loan losses |  |
Related allowance for loan losses |  |
Consumer [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 4,844 | 4,243
Impaired loans | 4,257 | 3,782
Impaired loans with related allowance for loan losses | 2,449 | 2,887
Related allowance for loan losses | 1,275 | 1,687
Consumer [Member] | Other [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 161 | 171
Impaired loans | 161 | 170
Impaired loans with related allowance for loan losses | 161 | 170
Related allowance for loan losses | 19 | 22
Consumer [Member] | Real estate [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 2,930 | 2,062
Impaired loans | 2,831 | 2,037
Impaired loans with related allowance for loan losses | 2,172 | 2,037
Related allowance for loan losses | 1,214 | 1,379
Consumer [Member] | Home equity [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance | 1,753 | 2,010
Impaired loans | 1,265 | 1,575
Impaired loans with related allowance for loan losses | 116 | 680
Related allowance for loan losses | 42 | 286
Consumer [Member] | Construction [Member] |  |
Summary of key information for impaired loans |  |
Unpaid Principal Balance |  |
Impaired loans |  |
Impaired loans with related allowance for loan losses |  |
Related allowance for loan losses |  |

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